Keep one thing in mind when
you preflight your kasperwing (Its A pusher design) If anything comes loose on
your plane its most likely headed through the prop and if it is a solid mass you may be
going down quickly. For this reason one of the most important things in your
pre-flight routine is to check that everything that can come loose is safety wired to the
craft. I recommend the use of a composite prop over a wooden prop for the same
reason. If something as small as a wing nut strikes a wooden prop under full load
conditions you will have shards of wood tearing holes in your dacron sail. A
composite prop will be damaged by a wing-nut yes, however a composite prop will stay
intact with the worse side effect being bad vibration. I use a three blade ultra
prop and have had things such as safety wire and washers go through my prop leaving a ding
in the blade that was easy to repair with some plastic epoxy compound and some sand paper.

Short of items coming loose
and going through the prop the second major item of concern is stressed or damaged
aircraft cables and fittings and stressed or damaged airframe parts. The Kasperwing
wing design is what keeps us aloft and if any cable or support structure that keeps the
wing in spec changes the craft may become unstable or uncontrollable. these are the
things we are looking for while preflighting the craft.

Aircraft cable that is frayed or damaged

cable shackles that are bent or worn down

Aluminum tube that is bent or has enlarged
bolt holes

Bolts that are bent or have damaged threads

Dacron sail cloth that is ripped, faded or
damaged in any way including missing stitches (these are load bearing surfaces)

Missing or loose safety wire

Proper cable tension and wing geometry

control line operation and condition

missing or loose safety rings or safety rings
that may cause control lines to "hang or stick"

Leaking or worn fuel lines

loose prop bolts or prop blades

full fuel tank...... yeah I know!!!!
but I have taken off without checking it once before

proper instrument operation

and we should always end with a self check of
our own mental state and preparation.

During the pre-flight it is best to be alone and without interruptions. If someone
stops you mid pre-flight to ask a question kindly advise the person that you cannot be
interrupted at this time and you will answer the question as soon as your done, then start
your pre-flight over again. Always start and end the preflight from the same
location and walk through the steps systematically. If you start at the wing tip you
should end at the same wing tip having walked around the craft 380°. It is
entirely up to you where you start your pre-flight and different techniques work better
for different people. I start mine dead center in front of the plane and work around
counter clockwise but see what works best for you. If you have flown once already
and you take a break to grab a drink or take a bathroom break you MUST pre-flight the
craft again. in fact anytime you leave the craft even for a minute or two it is best
to re- pre-flight the craft